. >> when paul opened fire in terminal three, he was carried a handwritten note, fbi special agent david bowdag. e. >> we found a statement where he made a conscious decision to kill multiple tsa employees. >> he was dropped off at the airport and then shot gerardo hernandez point blank. he is the first tsa officer ever killed in the line of duty. even as he sprayed bullets from his assault bullet rifle throughout the, few were injured, airport police chief -- >> we were so lucky. >> in all honesty this could have been much, much worse. >> in his hometown of pen field, new jersey many are asking why. but so far there are no answers. >> josh pagan was a former neighbor. >> he was a friendly guy and there had to be something horrific to go on for him to do something like that. >> he is charged with murder ago federal officer while on duty and could face the death penalty, and authorities are saying little about the person who dropped him off at lax. as for those thousands of passengers stranded by friday's shooting, they are finally on their way. for sunday morning, this is carter evans in